[Free] 2018(Jan) EnsurePass Testinsides Oracle 1z0-809 Dumps with VCE and PDF 41-50

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Java SE 8 Programmer II

Question No: 41

Given the code fragment:

int b = 3;

if ( !(b gt; 3)) {

System.out.println(quot;square quot;);


System.out.println(quot;circle quot;);


System.out.println(quot;…quot;); What is the result?

  1. square…

  2. circle…

  3. squarecircle…

  4. Compilation fails.

Answer: C

Question No: 42

Given the code fragment:

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What is the result?

  1. 20

  2. 25

  3. 29

  4. Compilation fails

  5. AnArrayIndexOutOfBoundsException is thrown at runtime

Answer: A

Question No: 43


public class Emp { String fName; String lName;

public Emp (String fn, String ln) { fName = fn;

lName = ln;


public String getfName() { return fName; } public String getlName() { return lName; }


and the code fragment:

Listlt;Empgt; emp = Arrays.asList ( new Emp (“John”, “Smith”),

new Emp (“Peter”, “Sam”),

new Emp (“Thomas”, “Wale”));


//line n1


Which code fragment, when inserted at line n1, sorts the employees list in descending order of fName and then ascending order of lName?

  1. .sorted (Comparator.comparing(Emp::getfName).reserved().thenComparing(Emp::getlName))

  2. .sorted (Comparator.comparing(Emp::getfName).thenComparing(Emp::getlName))

  3. .map(Emp::getfName).sorted(Comparator.reserveOrder())



Answer: A

Question No: 44

Given the code fragments:

public class Book implements Comparatorlt;Bookgt; { String name;

double price; public Book () {}

public Book(String name, double price) { this.name = name;

this.price = price;


public int compare(Book b1, Book b2) { return b1.name.compareTo(b2.name);


public String toString() {

return name “:” price;




Listlt;Bookgt;books = Arrays.asList (new Book (“Beginning with Java”, 2), new book (“A Guide to Java Tour”, 3));

Collections.sort(books, new Book()); System.out.print(books);

What is the result?

  1. [A Guide to Java Tour:3, Beginning with Java:2]

  2. [Beginning with Java:2, A Guide to Java Tour:3]

  3. A compilation error occurs because the Book class does not override the abstract method compareTo().

  4. An Exception is thrown at run time.

Answer: A

Question No: 45

Given the class definitions:

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And the code fragment of the main() method,

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What is the result?

  1. Java Java Java

  2. Java Jeve va

  3. Java Jeve ve

  4. Compilation fails

Answer: D

Question No: 46


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What is the result?

  1. hEllOjAvA!

  2. Hello java!

  3. Out of limits hEllOjAvA!

  4. Out of limits

Answer: C

Question No: 47

Given the code fragment:

BiFunctionlt;Integer, Double, Integergt; val = (t1, t2) -gt; t1 t2;//line n1 System.out.println(val.apply(10, 10.5));

What is the result?

A. 20

B. 20.5

  1. A compilation error occurs at line n1.

  2. A compilation error occurs at line n2.

Answer: C

Question No: 48



public class Book {

private String read(String bname) { return “Read” bname }



public class EBook extends Book {

public class String read (String url) { return “View” url }



public class Test {

public static void main (String[] args) { Book b1 = new Book();

b1.read(“Java Programing”); Book b2 = new EBook();




What is the result?

  1. Read Java Programming View http:/ ebook.com/ebook

  2. Read Java Programming Read http:/ ebook.com/ebook

  3. The EBook.java file fails to compile.

  4. The Test.java file fails to compile.

Answer: D

Question No: 49

Given the code fragment:

Listlt;Integergt; nums = Arrays.asList (10, 20, 8): System.out.println (

//line n1


Which code fragment must be inserted at line n1 to enable the code to print the maximum number in the nums list?

  1. nums.stream().max(Comparator.comparing(a -gt; a)).get()

  2. nums.stream().max(Integer : : max).get()

  3. nums.stream().max()

  4. nums.stream().map(a -gt; a).max()

Answer: C

Question No: 50

Given the code fragment:

String str = “Java is a programming language”; ToIntFunctionlt;Stringgt; indexVal = str: : indexOf; //line n1 int x = indexVal.applyAsInt(“Java”);//line n2 System.out.println(x);

What is the result?

  1. 0

  2. 1

  3. A compilation error occurs at line n1.

  4. A compilation error occurs at line n2.

Answer: A

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